CN214548694U - Be applied to lightweight heat sink that holds household utensils - Google Patents

Abstract

The utility model discloses a lightweight cooling device applied to a container, which comprises an inner container and a shell, wherein the inner container and the shell form a closed cavity, a phase-change cooling material layer and a light-duty heat insulation layer are arranged in the closed cavity, the phase-change cooling material layer is coated on the surface of the inner container close to the shell, the light-duty heat insulation layer is attached to the inner wall of the shell corresponding to the handheld part of the container body, the phase-change cooling material layer absorbs the heat transferred by the inner container to reduce the temperature of high-temperature food in the inner container, the light-duty heat insulation layer delays the heat transfer to the shell to avoid overhigh temperature of the shell, the light-duty heat insulation layer is adopted to replace a stainless steel middle layer in the prior art to reduce the weight of cooling tableware, the light-duty heat insulation layer is only arranged on the handheld part to reduce the material of the light-duty heat insulation layer, a plurality of pits are arranged on the side wall of the inner container body, a plurality of bulges which can correspondingly fill the pits are arranged on the phase-change cooling material layer, the heat exchange area of the inner container is increased, and the effect of rapid cooling is ensured.

Description

Be applied to lightweight heat sink that holds household utensils

Technical Field

The utility model relates to a daily life articles for use field especially relates to a be applied to lightweight heat sink who holds household utensils.

Background

Generally, the cooling tableware is composed of three layers of materials, namely an inner container, a middle layer and a shell, wherein a cavity composed of the inner container and the middle layer is used for filling phase-change cooling materials, and the cavity composed of the middle layer and the shell plays a role in heat preservation and insulation. However, similar to products such as cooling cup covers, quick cooling cups, cooling bowls and the like, under the condition that the heat preservation effect is not excessively pursued, the use of one layer of material can be reduced structurally, namely two layers of materials of the inner container and the outer shell are used, and the phase-change cooling material is positioned in an interlayer of the inner container and the outer shell. And a layer of material is reduced, so that the weight can be reduced, a light cooling product is made, and the cost can be reduced. However, because the heat conductivity coefficient of the cooling material is relatively large, the heat of the hot water in the inner container can be rapidly transferred to the shell, so that the shell is hot, and the experience of consumers is influenced. Therefore, heat insulation and scald prevention need to be considered while weight reduction and cost reduction are considered.

Chinese patent CN209528787U, a cooling cup cover: including inner cup, well lid and enclosing cover, form the storage layer between inner cup and the well lid, the storage layer intussuseption is filled with cooling material, be hollow heat insulating layer between well lid and the enclosing cover. The hollow heat insulation layer between the middle cover and the outer cover is used for avoiding the hand scalding feeling in the practical application process, but the use of a layer of stainless steel is added, so that the cost is increased, and the weight is increased, and generally, the weight of the layer of stainless steel is about 40-50 g.

Chinese patent CN205696994U, a warm and hot dual-purpose thermos cup that can rapid cooling keeps warm, the technique disclosed in paragraph 0044 of the specification, the thermos cup still includes bowl cover 2, and bowl cover 2 has been included to constitute the enclosure by bowl cover inner wall 203 and bowl cover outer wall 201, fills phase change material layer 202 in the enclosure. In order to increase the cooling rate and reduce the weight, a phase change material with high thermal conductivity and large phase change latent heat can be selected. The condition of losing weight has been considered to this scheme researcher, however, the high phase change material of thermal conductivity can be with the heat in the inner bag on heat transfer to the shell fast, neglected thermal-insulated preventing scalding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving above-mentioned technical problem, provide a be applied to the lightweight heat sink who holds household utensils, can reduce and hold household utensils weight and increase the thermal-insulated effect of preventing scalding, and the structure is reliable, and it is convenient to produce, and it is effectual to cool down.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a be applied to and hold lightweight heat sink of household utensils, including inner bag and shell, the inner bag with the shell forms closed cavity, be equipped with phase transition cooling material layer and light-duty insulating layer in the closed cavity, the cladding of phase transition cooling material layer is in the inner bag is close to the shell on the surface, light-duty insulating layer is attached the shell correspondence holds on the inner wall of the handheld part of household utensils body.

Preferably, the light heat insulation layer and the phase change cooling material layer are arranged at intervals.

Preferably, the lateral wall of inner bag is equipped with a plurality of sunken towards the part that holds the household utensils body, be equipped with a plurality of on the phase transition cooling material layer and can correspond and fill each sunken bulge.

Preferably, each of the protruding portions is arranged on one side of the phase change cooling material layer close to the inner container, and the other side of the phase change cooling material layer is a smooth mechanism.

Preferably, the light heat insulation layer is of a pocket-shaped structure capable of completely coating the phase change cooling material layer.

Preferably, the top of the container body is provided with a phase change accommodating cavity which is hermetically communicated with the closed cavity.

Preferably, the top of the container body is provided with a containing opening, and the phase change containing cavity is of an annular structure sleeved on the top end of the containing opening.

Preferably, the density of the lightweight thermal insulation layer is less than 1.0g/cm³The thermal conductivity coefficient of the material is lower than 1.0W/mK.

Preferably, the phase-change temperature of the phase-change temperature-reducing material layer is 35-70 ℃.

Preferably, the light heat insulation layer is attached to the inner surface of the outer shell through a high-temperature-resistant bonding material.

The utility model discloses for prior art gain following technological effect:

first, inner bag and shell form closed cavity, be equipped with phase transition cooling material layer and light-duty insulating layer in the closed cavity, the cladding of phase transition cooling material layer is on the inner bag is close to the surface of shell, light-duty insulating layer is attached on the inner wall that the shell correspondence held the handheld part of household utensils body, the heat that the phase transition cooling material layer absorbed the inner bag and transmitted reduces the temperature of inner bag high temperature food, light-duty insulating layer delays heat transfer to shell, avoid the shell high temperature, and adopt light-duty insulating layer to replace the stainless steel middle level among the prior art, can reduce the weight of cooling tableware, and then light-duty insulating layer only sets up at handheld part, the materials of light-duty insulating layer have been reduced.

Second, light-duty insulating layer and phase transition cooling material layer interval set up for phase transition cooling material layer is through air propagation before transmitting the heat to light-duty insulating layer, that is to say more one deck heat propagation medium, and then delays thermal transmission.

Third, the lateral wall of inner bag is equipped with a plurality of on the part that holds the household utensils body sunken, and it can correspond the bulge of filling each sunken to be equipped with a plurality of on the phase transition cooling material layer, has increased the area of contact of inner bag with the holding thing earlier, and rethread phase transition cooling material layer has increased the heat transfer area to the sunken packing, has guaranteed rapid cooling's effect.

And fourthly, each protruding part is arranged on one side, close to the inner container, of the phase change cooling material layer, the other side of the phase change cooling material layer is a smooth mechanism, each protruding part is stably supported by the smooth mechanism, and the phase change cooling material layer is prevented from being easily and integrally collapsed when each protruding part is subjected to phase change, so that the cooling effect of the inner container is greatly reduced in subsequent use.

Fifthly, the whole pocket-shaped structure that is capable of completely wrapping the phase change cooling material layer is formed in the light heat insulation layer, namely, the whole phase change cooling material layer is wrapped, the heat transfer of the phase change cooling material layer to the shell is fully reduced, and the heat insulation technical effect is further realized.

Sixth, the top that holds the household utensils body is equipped with and holds the chamber with the phase transition that seals the sealed intercommunication of cavity, and then phase transition when cooling to the inner bag at the phase transition cooling material layer, so the phase transition holds the phase transition space that the existence in chamber had guaranteed the phase transition cooling material layer, and then has guaranteed the validity of phase transition cooling material layer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of a cooling cup cover of the present invention;

FIG. 2 is an enlarged view of the cup mouth of FIG. 1;

FIG. 3 is a schematic structural view of an embodiment of the cooling cup of the present invention;

FIG. 4 is a schematic structural view of an embodiment of the cooling bowl of the present invention;

the heat insulation structure comprises a liner 1, a phase change cooling material layer 2, a light heat insulation layer 3, a shell 4, a bonding material 5, a recess 6 and a protrusion 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model is used for overcome above-mentioned prior art's defect, provide a be applied to the lightweight heat sink who holds the household utensils, can reduce and hold household utensils weight and increase the thermal-insulated effect of preventing scalding, and the structure is reliable, and it is convenient to produce, and it is effectual to cool down.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in figures 1-4, the utility model provides a be applied to lightweight heat sink who holds household utensils, applicable in the tableware of splendid attire liquid, for example, article such as cooling bowl, cooling cup, bowl cover, it includes inner bag and shell, inner bag and shell adopt food level stainless steel material or polyester material to make and form, inner bag and shell form the closed cavity, be equipped with phase transition cooling material layer and light-duty insulating layer in the closed cavity, phase transition cooling material layer cladding is close to the shell on the surface at the inner bag, phase transition cooling material layer absorbs the heat that the inner bag transmitted and reduces the temperature of inner bag high temperature food, as the utility model discloses preferred embodiment, phase transition cooling material layer can be crystallization salt hydrate, fused salt, metal alloy, polyol and stratiform perovskite class higher aliphatic hydrocarbon, aliphatic acids or its esters, salt compound and some alcohols, Aromatic hydrocarbon compounds, and the like. The phase-change temperature of the phase-change cooling material layer is between 35 and 70 ℃, the phase-change temperature of the phase-change cooling material layer can be applied to children series at 35 to 45 ℃, and the phase-change temperature of the phase-change cooling material layer can be applied to adults at 45 to 70 ℃, and the like.

As shown in fig. 1-4, the light-duty insulating layer delays heat transfer to the shell, effectively avoids the shell high temperature, and light-duty insulating layer is attached on the shell corresponds holds the inner wall of the handheld part of household utensils body, plays thermal-insulated effect, adopts light-duty insulating layer to replace the stainless steel middle level among the prior art, can reduce the weight of cooling tableware, and then light-duty insulating layer only sets up in handheld part, has reduced the materials of light-duty insulating layer. Wherein, when holding the drinking cup that the household utensils was the area handle, light-duty insulating layer only sets up on the inner wall that the drinking cup shell corresponds the handle, only to handle department promptly thermal-insulated prevent scalding can, perhaps when holding the household utensils for straight tube-shape drinking cup, light-duty insulating layer ring cover is on the internal surface of straight tube-shape drinking cup whole circumference lateral wall and so on. In the manufacturing process, when the inner container and the shell are both made of stainless steel materials, a smooth and smooth transition straight flanging is arranged at the opening of the inner container, then the annular wall of the shell with the light heat-insulating layer is welded on the straight flanging, the phase-change cooling material layer is filled, and then the bottom of the shell is sealed.

For further guaranteeing thermal-insulated effect, as shown in fig. 1-4, light-duty insulating layer and phase transition cooling material layer interval set up, form one deck air insulating layer promptly between light-duty insulating layer and phase transition cooling material layer for phase transition cooling material layer is through air propagation earlier before with heat transmission to light-duty insulating layer, that is to say that the one more than one deck heat propagation medium, and then delay thermal transmission, guaranteed the technological effect of preventing scalding one's hand, as the utility model discloses preferred embodiment can also set up other light fillers that are different from light insulating layer material between light-duty insulating layer and the phase transition cooling material.

As shown in figures 1-4, the side wall of the inner container is provided with a plurality of recesses towards the containing part of the containing vessel body, the phase-change cooling material layer is provided with a plurality of protrusions which can correspondingly fill the recesses, the contact area of the inner container and the contained objects is firstly increased, then the heat exchange area of the inner container is increased by filling the recesses through the phase-change cooling material layer, the effect of rapid cooling is ensured, wherein, as the preferred embodiment of the utility model, the pits are evenly arranged on the upper half part of the container, so that the cooling degree of the phase-change cooling material layer to the object on the upper half part of the container is larger than the cooling degree of the phase-change cooling material layer to the object on the lower half part of the container, and then form temperature gradient between the upper half and the lower half of holding thing, promote the holding thing circulation flow under the uneven condition of cold and hot to the cooling efficiency has been improved.

Further, as shown in fig. 1-4, each protrusion is disposed on one side of the phase change cooling material layer close to the inner container, and the other side of the phase change cooling material layer is a smooth mechanism, and the smooth mechanism is used to stably support each protrusion, so as to prevent the phase change cooling material layer from collapsing integrally when each protrusion undergoes phase change, which results in a large reduction in the cooling effect of the inner container in the subsequent use.

As the utility model discloses preferred embodiment, as shown in fig. 1-4, light-duty insulating layer wholly is the pocket column structure that can be totally with the cladding of phase change cooling material layer, that is to say with whole phase change cooling material layer parcel, and the fully reduced phase change cooling material layer is to the heat transfer of shell, has further realized thermal-insulated technological effect, has avoided the user to touch carelessly when not setting up the light insulating layer, by the condition of scald.

Further, as shown in fig. 1-4, the top of the container body is provided with a phase change containing cavity communicated with the closed cavity in a sealing manner, so that when the phase change cooling material layer cools the inner container, the phase change material layer changes phase, and the phase change containing cavity ensures the phase change space of the phase change cooling material layer, thereby ensuring the effectiveness of phase change cooling of the phase change cooling material layer.

As shown in fig. 1-4, a containing opening is formed at the top of the containing vessel body, the phase change containing cavity is of an annular structure sleeved at the top end of the containing opening, for example, when the containing vessel is a water cup, the phase change containing cavity is arranged at the opening of the water cup, and when the water cup is provided with a cup cover, a detachable mechanism connected with the cup cover, such as a threaded structure or a buckle structure, is arranged on the outer wall of the annular structure.

As shown in fig. 1-4, the light heat-insulating layer is made of materials with low density, low thermal conductivity, high temperature resistance and good toughness, including PET film, PP film, and foamed silica gel, and has a density lower than 1.0g/cm³And the heat conductivity coefficient of the material is lower than 1.0W/mK, so that the weight of the cooling tableware is reduced, the heat conductivity coefficient is low, and the heat-insulating and scald-preventing effects are achieved.

As shown in fig. 1-4, the light thermal insulation layer is attached to the inner surface of the housing by a high temperature resistant adhesive material, the adhesive material is a double-sided adhesive, a hot melt adhesive or a common glue, further, the double-sided adhesive, the hot melt adhesive or the glue is resistant to high temperature, i.e., the adhesiveness is not affected at high temperature, and the adhesive material can be selected according to the balance of operation convenience and cost, and is partially or completely adhered or coated on the surface of the light thermal insulation layer.

As the utility model discloses preferred embodiment, as shown in fig. 1-2, it is the cooling bowl cover to hold the household utensils, the phase transition temperature on phase transition cooling material layer is 42 ℃, the light insulating layer is foaming silica gel, the light insulating layer is through high temperature resistant double faced adhesive tape laminating shell internal surface, the shell needs high temperature heating solidification when spraying paint, the temperature is generally 160 ℃, high temperature resistant double faced adhesive tape can guarantee that the adhesion of double faced adhesive tape when spraying paint does not degenerate, guarantee that the light insulating layer closely laminates on the shell, add man-hour, the light insulating layer adhesion that will paste viscous material is on the shell internal surface, then weld sealed after the oral area cooperation of shell oral area and inner bag, form a cavity between inner bag and the shell, phase transition cooling material adds in the cavity, at last, weld sealed after cooperation round bottom and shell.

As a preferred embodiment of the present invention, as shown in fig. 3, the container is a cooling cup, the phase transition temperature of the phase transition cooling material layer is 58 ℃, the light thermal insulation layer is a PET film, the light thermal insulation layer is adhered to the inner surface of the shell through high temperature resistant glue, the shell needs to be heated and cured at high temperature during plastic spraying, the temperature is generally 200 ℃, the high temperature resistant glue can ensure that the adhesion force is not degraded during paint spraying, and the light thermal insulation layer is tightly adhered to the shell; processing man-hour, with the light insulating layer adhesion of gum on the shell internal surface, then add the phase transition cooling material into the shell, the phase transition cooling material is put into to the inner bag, the welding is sealed after the cooperation of shell oral area and the oral area of inner bag.

As a preferred embodiment of the present invention, as shown in fig. 4, the container is a cooling bowl, the phase transition temperature of the phase transition cooling material layer is 48 ℃, the light thermal insulation layer is a PP film, and the light thermal insulation layer is attached to the inner surface of the housing through a double faced adhesive tape, so as to ensure that the low-density barrier layer is closely attached to the housing; during processing, adhere the light insulating layer of gum on the inner surface of the shell, then weld and seal the mouth parts of the shell and the inner container after matching, form a cavity between the inner container and the shell, add the phase-change cooling material into the cavity, and finally weld and seal the round bottom and the shell after matching.

It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (10)

1. The utility model provides a be applied to lightweight heat sink who holds household utensils, a serial communication port, including inner bag and shell, the inner bag with the shell forms closed cavity, be equipped with phase transition cooling material layer and light-duty insulating layer in the closed cavity, the cladding of phase transition cooling material layer is in the inner bag is close to the shell on the surface, light-duty insulating layer is attached the shell corresponds on the inner wall that holds the handheld part of household utensils body.

2. The lightweight cooling device for the containing vessel as claimed in claim 1, wherein the lightweight thermal insulation layer is spaced apart from the phase change cooling material layer.

3. The lightweight cooling device for the container as claimed in claim 1 or 2, wherein the sidewall of the inner container has a plurality of recesses towards the container of the container body, and the phase-change cooling material layer has a plurality of protrusions for filling the recesses.

4. The lightweight cooling device applied to the containing vessel as claimed in claim 3, wherein each of the protrusions is disposed on one side of the phase change cooling material layer close to the inner container, and the other side of the phase change cooling material layer is a smooth mechanism.

5. The lightweight cooling device for a container as set forth in claim 4, wherein the lightweight heat insulating layer has a pocket-like structure that can completely cover the phase change cooling material layer.

6. The lightweight cooling device for the containing vessel as claimed in claim 1, wherein the top of the containing vessel body is provided with a phase change containing cavity which is in sealed communication with the closed cavity.

7. The lightweight cooling device for the container as claimed in claim 6, wherein the container body has a top opening, and the phase change accommodating chamber has an annular structure sleeved on the top of the opening.

8. The lightweight cooling device for a holding vessel according to claim 1, wherein the lightweight thermal insulation layer has a density of less than 1.0g/cm³The thermal conductivity coefficient of the material is lower than 1.0W/mK.

9. The lightweight cooling device applied to the containing vessel as claimed in claim 1, wherein the phase-change temperature of the phase-change cooling material layer is between 35 and 70 ℃.

10. The lightweight cooling device for a holding vessel as set forth in claim 1, wherein the lightweight thermal insulation layer is attached to the inner surface of the outer shell by a high temperature resistant adhesive material.

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